setValuesForKeysWithDictionary forUndefinedKey
http://my.oschina.net/u/2407613/blog/524879
-(void)setValue:(id)value forUndefinedKey:(NSString *)key
{
}
http://my.oschina.net/u/2407613/blog/524879
-(void)setValue:(id)value forUndefinedKey:(NSString *)key
{
}